Flying-machine.



A. M. ZIMMBRS. FLYING MACHINE.

APPLICATION FILED PEB. 1, 1911.

Patented Aug. 22, 1 911.

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-A. M. ZIMMERS.

FLYING MACHINE.

APPLIGATION FILED HB1 1911.

Patented. Aug. 22, 1911.

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A. M. ZIMMERS.

l FLYING' MAGHNB'. `APPLICATION FILED I'EBJ, 1911.

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Patented Aug. 22, 1911.

FLYING-MACHINE.

Specification of Letters Patent.

Application filed February 1, 1911.4 Serial No. 605,887.

vTo all whom 'it may concern:

' Be it known that I, ABRAHAM` M. ZIM- Mnns, a citizen of the UnitedStates, residing at Baltimore city, State of Maryland,

have invented certain new and useful Improvements in Flying-Machines,`of which the following is a specification.

My invention relates to an improvement in flying machines, and has forits object to provide a machine of this character inl which the wings orplanes are constructed in suoli a4 manner that when` the machine isstruck suddenly by a gust of wind, the shock which would otherwise beoccasioned thereby is absorbed by the wings or planes in such a manneras to prevent lthe machine f-rom careenin or turning over, as mightotherwise be t e case without the employment of the 4features of myinvention, the further object of the invention being to facilitate theascent in the flight of the machine, as well as the control of theInachine bythe operator under the circumstances of being suddenly struckby a gust of wind as hereinbefore mentioned.

With the foregoing objects in View, my invention consists in certainnovel features of construction vand combinations of parts which will behereinafter -described and pointed out in the claims.

Reference being had to' the accompanying drawings, in which likenumerals are used to designate the same parts throughout the severalviews, Figure l 1s a side elevation of the aeroplane or flying machine;Fig. 2 is 'a plan view` of the same, parts being broken away, and Fig. 3is a front elevation of the same. I

A, indicates generally the frame of the aeroplane, which is preferablymade of light metal tubing'. Longitudinal pieces 1 and 2 of arectangular frame at the top of the machine serve as trunnions for theside-wings or planes 3 and 4, said trunnions having bearings 5 of anyvdesirable form at their` ends on the frame A, of the machine. A seat 6for the operator is positioned between the wings 3 and 4, and directlbeneath the yseat is provided a pair of cran :s 7, the ends terminatingin pedals 8, forA manipulation by the operator of a sprocket wheel 9fixed to the crank shaft,'a chain 10 being trainedover said sprocket,and then oyer a small sprocket 11, said sprocket 11 being fixed to ashaft 12,which trame.

'secured to thestem of a handle bar 35, lo-

has bearings 13 on the secured at one end to the crank pin of the cranks14, and at the other end is secured to a plurality of links 16, whichare se cured by swivel connections 17, to the inner end frame piece 18of the wings 3 and 4. Secured at one end to the side pieces of the wingsor planes 3 and 4 are angularly disposed 'tension springs 19, theotherends of which are secured to a longitudinalv extending frame piece 2'0,directly beneath the shafts 1 and 2, said springs tending at all timesto maintain a relatively horizontal position of the wings.

Projecting from the' rear of the frame A, is a tail piece 21, whichserves the purpose of directing the angle of flight in a verticaldirection, andis securely mounted on a transverse shaft 22, said shaftoscillating in bearings 23, on the frame A. The said tail plane 1soperated by means of a lever 24, within easy reach of the operator; arod 25 connectin said lever with an arm 26, se-

cured to t e shaft 22, so that when it is the Patented Aug. 22, 1911.

desire of' the aviator to ascend 0r descend,

the lever is properly manipulated, and the plane tilted against theaction of angularly dis osedA rtension springs 27, one end of whlchsprings is secured to the frame of the plane 2l, and the other end'secured to a cross bar 28 of the frame A.

Pivotally mounted on the rear of the tail piece 21, is -a rudder 29,provided with a slot 30, which embraces the tail plane and permits of aswinging of therudder on its axis 31, said movement being effected bymeans of rods 32, 4connected at one end to a cross arm 33, which issecured to the rudder, and the other end of the rod 32 connected to asimilar cross arm or lever 34,

cated in front of the operators seat. A coil spring 36 -is interposed inthe rod 32, at a point near the inner end of the plane .21, tocompensate forthe change in length of the said'rod when the plane 21v istilted inv either direction.

On the front of the frame A, and forward of the o erators seat 'islocated an internal combustion engine 37 of any approved type to theshaft of which is connected a propeller 38. To the rear 'of the frame A,are rotatably' secured a pair of wheels 39, suitablyy supported theframe and braced therefrom, and ,to

the front. l,isha Isingle i Wheel 40, likewise braeecl', saidwheelsvpro- 4viding a truck for the machine'while on the ground; It isto be understood that'suitable bracings ysuch as shownat 41- maybe em#iloyed throughout' the frame' andplanesy or the purpose of Strengtheningsame. c

Slight changes and" alterations might loe resorted to in the form andarrangement of the several parts '(lescri'bed,l withouty de''parting'from the spiritand scope of my inl. A machine of the characterdescribed, y .comprising a frame, laterally extending side and rearplanes pivoted intermediate their ends to said frame, means forpositively raising and lowering saidv planes,. and

at each side of its pivot to said i' ame.

2. A 'machine ,of the character described,A

y comprisingaiframe,l laterally extending side and rear planes p ivotedintermediate their ends to said frame, separate means for .positivelyraismg and lowering-said side and rear planes, and springs for'returning saidV planes to vnormal position, said springs. con

necting 'each plane at each side of its pivot to said frame.

In testimonywhereof1 I agi my signaturel Copies of 'this patent may beobtained for ve cents each, by addressing the Commissionerof I'ateiits.

. Washington, D. G3 A

